CVE-2025-11044 is an Allocation of Resources Without Limits or Throttling vulnerability affecting the ANSL-Server component of B&R Automation Runtime versions prior to 6.5 and R4.93. An unauthenticated network attacker can exploit a race condition, leading to permanent denial-of-service (DoS) on affected devices. This vulnerability has a CVSS score of 6.8 (Medium), indicating a high impact on availability with high attack complexity, but no confidentiality or integrity impact. The attack vector is network-based, requiring no user interaction or privileges. Currently, there is no evidence of active exploitation, and no public exploit code (Metasploit, Nuclei, ExploitDB) is available. Despite this, the vulnerability has garnered significant community discussion, with 10 mentions, placing it in the top 1% of all CVEs for community attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| B&R Industrial Automation GmbH | Automation Runtime | >= 6, < 6.5, >= 4, < R4.93CNA affecteddefault unaffected |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.